Agriculture automation is spread out by nature — irrigation pump stations, grain elevators, feed mills, and packing lines are often kilometers apart on the same farm or cooperative, with no existing plant network tying them together. This page lists the Siemens PLCs, VFDs, and HMI panels that agro processors specify for field-level control and remote monitoring.
Applications in Agriculture Industry
- Irrigation pump station control — pressure/level-based pump sequencing and speed control matched to field demand.
- Grain elevator & conveyors — motor sequencing and interlocking across bucket elevators, augers, and belt conveyors.
- Feed mill batching & dosing — recipe-driven ingredient batching and mixing for animal feed production.
- Produce sorting & packing — conveyor and sorting line control for grading and packing fresh produce.
- Cold storage & greenhouse HVAC — temperature and humidity control for storage facilities and greenhouse climate systems.
- Field level: pressure transmitters, level sensors, and motor status feedback across pump stations and grain handling equipment.
- Control level: a SIMATIC S7-1200 G2 or S7-1200 PLC runs local PID control for pump pressure/level and sequencing logic for conveyors and augers; simple standalone equipment uses the lower-cost S7-200 SMART.
- Drive level: SINAMICS G120X drives irrigation pumps and grain handling motors, while SINAMICS V20 covers smaller auger and feeder drives.
- Local HMI: a compact KTP700 Basic Panel or KTP1200 Basic Panel at the pump house or grain facility gives on-site operators local control and fault display.
- Remote connectivity: since sites are often unmanned or far apart, the PLC publishes status and alarm data over MQTT or OPC UA to a central or cloud SCADA rather than relying on a dedicated wired network across the property.
- Supervisory level: WinCC RT 512 at a monitoring center (or a cloud dashboard) aggregates data from multiple remote sites for a cooperative or larger farm operation; WinCC V8 is used where the tag count and number of sites grow larger.
Which Products Are Used in Agriculture Industry?
Below is the complete list of Siemens automation products commonly used in Agriculture Industry — PLC controllers, VFD drives, HMI panels, SCADA software and panel accessories. Click any product for MLFB numbers and pricing.
| Type | Product | MLFB / Model | Typical Use in Industry |
|---|---|---|---|
| PLC | Siemens SIMATIC S7-1200 G2 PLC | 6ES7212-1AG50 / 6ES7214-1AH50 / 6ES7215-1AG40 | Compact machine & skid control |
| PLC | Siemens SIMATIC S7-1200 PLC | 6ES7214-1AG40-0XB0 | Basic machine automation |
| PLC | Siemens SIMATIC S7-200 SMART PLC | 6ES7288-1SR20-0AA0 | Small standalone machines |
| VFD | Siemens SINAMICS G120X VFD | 6SL3200-0YC10 to 6SL3200-0YC28 | Pumps, fans, conveyors 0.75–15 kW |
| VFD | Siemens SINAMICS V20 VFD | 6SL3210-5BE21-1CV0 | Small motors, feeders, aux drives |
| HMI | Siemens HMI KTP700 Basic Panel | 6AV2123-2GB03-0AX0 | Compact operator panels |
| HMI | Siemens HMI KTP1200 Basic Panel | 6AV2124-0MC01-0AX0 | Machine-level HMI standard |
| SCADA | Siemens SIMATIC WinCC RT 512 SCADA | 6AV6381-2BD08-0AX0 | Small plant SCADA ≤512 tags |
| SCADA | Siemens SIMATIC WinCC V8 SCADA | 6AV6381 series | Full plant visualization |
| Software | Siemens TIA Portal (STEP 7 + WinCC) | 6ES7822 series | PLC + HMI + drive engineering |
| Power Supply | Siemens SITOP Power Supply | 6EP1333 series | 24V DC panel power |
PLC VFD HMI SCADA
Irrigation: S7-1200 G2 + G120X + WinCC/MQTT.
Why These Products in Agriculture Industry?
Irrigation pump stations, grain elevators, and remote farm sites are often spread across large distances with no existing plant network, so PLCs in agriculture rely on MQTT or OPC UA to publish status and alarm data to a cloud or central SCADA over cellular or radio links rather than a dedicated wired SCADA network. S7-1200 G2 and S7-1200 PLCs support this natively, which is why they are the default choice for pump stations and grain handling logic; small standalone equipment can use the lower-cost S7-200 SMART.
On irrigation pumps, SINAMICS G120X matches pump output to actual field demand rather than running at full speed continuously, which cuts energy cost and reduces pipeline pressure surges compared to a fixed-speed starter. The same drive covers grain handling motors, while SINAMICS V20 is the cost-effective choice for smaller auger and feeder drives.
A compact KTP700 or KTP1200 Basic Panel gives on-site staff local control without needing a laptop or remote connection for routine operation. For a single site, this local HMI is usually enough; cooperatives or larger operations managing several remote sites add WinCC RT 512 (or WinCC V8 for larger tag counts) at a central monitoring point.
Common Mistakes to Avoid
- Relying on a fixed-speed pump starter for irrigation: without a VFD, pump output can't track actual field demand, wasting energy and stressing the pipeline with pressure surges.
- Skipping remote connectivity planning: confirm cellular or radio signal strength at each remote site before committing to a specific MQTT/OPC UA architecture — coverage gaps are common in rural areas.
- Undersizing local battery/power backup for unmanned sites: pump stations and grain sites without grid reliability need backup power sized for the PLC, HMI, and communication equipment to keep monitoring alive during outages.
- Not weatherproofing panels for outdoor or dusty grain environments: confirm panel IP rating matches the installation environment — indoor-rated enclosures fail quickly in dusty grain handling areas or exposed irrigation sites.
Frequently Asked Questions
Which PLC for irrigation pump control?
S7-1200 G2 or S7-1200 with PID for level/pressure and pump sequencing.
Which VFD for agriculture pumps and conveyors?
G120X for irrigation and grain handling. V20 for small auger drives.
Can farm automation connect to cloud?
Yes — PLC OPC UA/MQTT to cloud SCADA. WinCC RT 512 at monitoring center.
Why does agriculture automation rely on MQTT/OPC UA instead of a wired SCADA network?
Irrigation pump stations, grain elevators, and remote farm sites are often spread over large distances with no existing plant network, so PLCs publish data over MQTT or OPC UA to a cloud or central SCADA using cellular or radio links rather than requiring a dedicated wired SCADA network across the property.
Why use a VFD on an irrigation pump instead of a fixed-speed starter?
A VFD lets pump output be matched to actual irrigation demand and soil moisture feedback rather than running at full speed continuously, which reduces energy cost and pipeline pressure surges compared to direct-on-line starting.
Does a small farm need SCADA or is a local HMI enough?
A single pump station or grain dryer usually runs fine on its own PLC and local HMI; SCADA (WinCC RT 512 or a cloud dashboard) becomes useful once a cooperative or larger farm operation wants to monitor multiple remote sites from one place.
Buy Automation Products for Agriculture Industry
Genuine Siemens PLC · VFD · HMI · SCADA
View All Products Get Quote WhatsApp